At first creating event.service.ts file into app/events/shared event.service.ts file import service file in app.module file Import service file and inject into event-list.component.ts event-thumbnail.component.ts file

Step 1: user-settings-form.component.ts file Step 2: data.service.ts file Step 3: user-settings-form.component.html file

Step 1: create a data-service.ts file in data folder Note: ng command – ng g s data import user-settings file Step 2: in user-settings-form.component.ts file import bellow those two files Step 3: in user-settings-form.component.html file {{userSettings | json}}